Which type of stream is generally safe for use on solar panels?

Using a fog stream is generally considered safe for use on solar panels primarily due to its ability to cool the panels without causing damage. Fog streams consist of finely atomized water droplets, which help reduce the temperature of the solar panels without producing significant force that could lead to the cracking or shattering of the glass surfaces.

Moreover, the distribution of water in a fog stream allows for effective cooling and minimizes the impact on electrical components and wiring that could be present on or around the panels. This is critical, as solar panels are sensitive equipment that can be adversely affected by high-pressure streams or large volumes of water, which might force water into their electrical connections or lead to other forms of damage.

Solid streams and surge streams deliver a concentrated and more powerful jet of water, making them unsuitable for delicate surfaces like solar panels. A broken stream may not effectively provide the necessary cooling and could result in uneven water distribution, increasing the risk of damage as well. Therefore, fog streams are the optimal choice for safely managing the risks associated with firefighting in scenarios involving solar panel installations.